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- Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
- Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Click to hide state-specific text
Boating safety tips are available from the U.S. Coast Guard.
NOTE: Station Numbers for Iowa precipitation gages have changed (see list).
This page is undergoing modernization and will be decommissioned in the future.
Daily data are now available in WDFN.Try it out and tell us what you think at wdfn@usgs.gov
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Hydrologic Prediction Service
